Industrial Motor Control
7th Edition
ISBN: 9781133691808
Author: Stephen Herman
Publisher: Cengage Learning
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Question
Chapter 53, Problem 4RQ
To determine
The section of the PLC in which the actual logic is performed.
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Chapter 53 Solutions
Industrial Motor Control
Ch. 53 - Prob. 1RQCh. 53 - Name two differences between PLCs and common home...Ch. 53 - Name the four basic sections of a PLC.Ch. 53 - Prob. 4RQCh. 53 - What device is used to program a PLC?Ch. 53 - What device separates the CPU from the outside...Ch. 53 - 7. What is opto-isloation?
Ch. 53 - Prob. 8RQCh. 53 - Prob. 9RQCh. 53 - Prob. 10RQ
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- Why are normally closed components such as STOP push buttons programmed normally open instead of normally closed when entering a program into the memory of a PLC?arrow_forwardIn a control circuit, it is imperative that a coil energize before another one. How can this be done when entering a program into the memory of the PLC?arrow_forwardWhat device is used to program a PLC?arrow_forward
- Why are NEMA symbols such as push buttons, float switches, or limit switches not used in programmable logic controller schematics?arrow_forwardWhat is the purpose of the key switch located on the front of the CPU in many programmable logic controllers?arrow_forwardName two differences between PLCs and common home or business computers.arrow_forward
- In what ways do controllers for various devices aid in operation?arrow_forwardExplain Automatic Door Open Close System PLC Ladder ?arrow_forwardThis is for my mechatronics class in regards to PLC and ladder diagrams It is common practice to include a NC contact after the coil to prevent overloading and overheating of a device such as a motor. True or Falsearrow_forward
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